<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8" />
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <meta name="robots" content="none" />
  <title>404 Not Found</title>
  <style>
    *{font-family:"Microsoft Yahei",serif;margin:0;font-weight:lighter;text-decoration:none;text-align:center;line-height:2.2em;}
    html,body{height:100%;}
    .container{padding-top:15rem}
    h1{font-size:100px;line-height:1em;}
  </style>
</head>
<body>
<div class="container">
  <h1>404</h1>
  <h3>404 Not Found</h3>
  <p>你访问的页面不存在!</p>
</div>
</body>
</html>